/**
 * Copyright (c) 2015-2020, Michael Yang 杨福海 (fuhai999@gmail.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.jboot.support.sentinel;

import com.alibaba.csp.sentinel.util.AppNameUtil;
import io.jboot.app.JbootApplicationConfig;
import io.jboot.app.config.JbootConfigManager;

import java.lang.reflect.Field;

/**
 * @author michael yang (fuhai999@gmail.com)
 * @Date: 2020/1/7
 */
public class SentinelManager {

    private SentinelManager() {
    }

    private static SentinelManager me = new SentinelManager();

    public static SentinelManager me() {
        return me;
    }

    private SentinelProcesser processer;

    public void init() {

        try {

//          throw ClassNotFoundException if not dependency sentinel
            Class.forName("com.alibaba.csp.sentinel.Sph");

            JbootApplicationConfig appConfig = JbootConfigManager.me().get(JbootApplicationConfig.class);
            Field field = AppNameUtil.class.getDeclaredField("appName");
            field.setAccessible(true);
            field.set(null, appConfig.getName());

            processer = new SentinelProcesser();

        } catch (Exception e) {
            // do nothing...
        }
    }

    public SentinelProcesser getProcesser() {
        return processer;
    }
}
